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Oval|Natural|GIA

1.00ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2558356053

Certificate GIA 2558356053

Diamond specifications and retailer prices

From $1,394 SGD
As of November 6, 2026
Save $3,014 SGD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,409 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2558356053. Listed at 13 retailers as of November 5, 2026, with prices from $1,394 to $4,409, a $3,014 spread on the same certified stone. NZ Jewellers lists it at $4,409. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558356053
Dimensions7.74 × 5.39 × 3.42 mm
L/W Ratio1.44
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Indented Natural, Needle, Natural
Top View
7.74 mm5.39 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558356053
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,409 SGD|Low: $1,343 SGD|High: $4,409 SGD|Avg: $2,095 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$1,394 SGD
Retailer 2$1,401 SGD
Retailer 11$1,669 SGD
Retailer 5$1,776 SGD
Retailer 7$1,807 SGD
Retailer 9$1,890 SGD
Retailer 3$1,942 SGD
Retailer 4$1,963 SGD
Retailer 12$2,003 SGD
Retailer 6$2,085 SGD
Retailer 8$3,301 SGD
NZ Jewellers$4,409 SGD

40 data points across 12 retailers

13 retailers$1,394 SGD to $4,409 SGD

A
Cheapest Retailer
-
$1,394 SGD
A
Retailer 2
-
$1,401 SGD
View
A
Retailer 3
-
$1,669 SGD
View
Final sale: no returns
A
Retailer 4
-
$1,776 SGD
View
A
Retailer 5
-
$1,807 SGD
View
A
Retailer 6
-
$1,890 SGD
View
Retailer 7
-
$1,942 SGD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$1,963 SGD
View
A
Retailer 9
-
$2,003 SGD
View
A
Retailer 10
-
$2,085 SGD
View
Retailer 11
-
$2,085 SGD
View
Price last confirmed 19 days ago
B+
Retailer 12
-
$3,301 SGD
View
Most Expensive
B
NZ Jewellers
4ab644b7-f10c-4f88-84e5-a844dcc21166 · Nov 5
$4,409 SGD
$3,440 USD
View
12 more retailers have this diamond
Prices start from $1,394 SGDSave up to $3,014 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Oval
$1,394 SGD